{"id":"000997811","type":"book","title":"An open frontier","publisher":"Association pour la Promotion de la Recherche Archéologique en Île-de-France","publisher-place":"Nemours","pages":"105-114","container-title":"Frontières d'empire. Nature et signification des frontières romaines. Actes de la Table Ronde Internationale de Nemours, 21-23 mai 1992","author":[{"family":"Isaac","given":"Benjamin H."}],"issued":{"raw":"1993"}}